Amazon.com: UPBRIGHT New AC in Power Cord Compatible with Libratone Airplay Loop WiFi Bluetooth 4.0 Wireless Speaker LT-400-NA-1001 LT-400-NA-1101 LT-400-NA-1201 LT-410-NA-1101 LT-210-US-1301 Diva-WiFi-BT-PB
Review: Libratone Loop Wireless Speakers - The New York Times
Libratone releases the disc-shaped Loop wireless speaker